Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Engine (Disassembly)
Special Tool(s)
Service Set, Camshaft
303-017 (T65L-6250-A)
Remover, Crankshaft Vibration
Damper
303-009 (T58P-6316-D)
Lifting Bracket Set, Engine
303-D095 (D94L-6001-A) or
equivalent
Remover, Power Stee ...
Disassembly
1. NOTE: The index mark on the output shaft must be aligned with the
index mark on the output
shaft ring gear during the assembly procedure.
Remove the ring gear snap ring.
2. Separate the ring gear and output shaft.
3. Remove the three output shaft seal ...
Door
Removal
1. Remove the door trim panel. For additional information, refer to
Section.
2. Disconnect the necessary electrical connectors to remove the harness
and grommet from the
door.
3. NOTE: This procedure requires an assistant.
NOTE: Mark ...
